TY  - GEN
ED  - United Nations. Department of International Economic and Social Affairs.
TI  - The sex and age distribution of the world populations : the 1992 revision
T2  - POPULATION studies ; no. 134
SN  - 9211512514
PY  - 1993///
CY  - New York : 
PB  - United Nations
KW  - Population
KW  - Age factors
KW  - Sex factors
ER  -